Plague-Spreading Fleas
Early-Phase Transmission of Yersinia Pestis by Unblocked Fleas as a Mechanism Explaining Rapidly Spreading Plague Epizootics.
Early-Phase Transmission of Yersinia Pestis by Unblocked Fleas as a Mechanism Explaining Rapidly Spreading Plague Epizootics.
Mosquitoes, Flies, Weeds, Spiders, Ants, Mold, or anything yucky?
Do these things have a purpose, and what is it?